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SAE-AISI 1137 Steel vs. SAE-AISI M47 Steel

Both SAE-AISI 1137 steel and SAE-AISI M47 steel are iron alloys. They have 83% of their average alloy composition in common. There are 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1137 steel and the bottom bar is SAE-AISI M47 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 700 to 760
810 to 2310

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1540
Melting Onset (Solidus), °C 1420
1500
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 51
23
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
26
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 1.4
7.4
Embodied Energy, MJ/kg 19
100
Embodied Water, L/kg 48
120

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 25 to 27
28 to 79
Strength to Weight: Bending, points 22 to 24
24 to 48
Thermal Diffusivity, mm2/s 14
6.3
Thermal Shock Resistance, points 21 to 23
27 to 77

Alloy Composition

Carbon (C), % 0.32 to 0.39
1.1 to 1.2
Chromium (Cr), % 0
3.5 to 4.0
Cobalt (Co), % 0
4.8 to 5.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.8 to 98.3
78.7 to 85
Manganese (Mn), % 1.4 to 1.7
0.15 to 0.4
Molybdenum (Mo), % 0
9.3 to 10
Nickel (Ni), % 0
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.2 to 0.45
Sulfur (S), % 0.080 to 0.13
0 to 0.030
Tungsten (W), % 0
1.3 to 1.8
Vanadium (V), % 0
1.2 to 1.4